Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6ee0aa42c305929…

MALICIOUS

PDF

72.0 KB Created: 2021-06-11 08:01:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 0cbdecf21278dfd6e9ab392976d9c743 SHA-1: be3f5b77c7b92c34ac3512b9d8a8dac4facd2450 SHA-256: d6ee0aa42c30592995d9f0eec0757b24dc95d6d4c7758d2b67f926a065f0b50d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9668

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://nomylo.ru/uplcv?utm_term=flak+beastmaster+build PDF link annotation
    • https://addsfly.com/userfiles/file/87254874332.pdfIn PDF document text
    • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/uuqr99ca1s850g2iq9dieuukhj/tujikapiruzole.pdfIn PDF document text
    • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cb6c0ff3a---58635562502.pdfIn PDF document text
    • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960bd90a07e---buxajetawutus.pdfIn PDF document text
    • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/it7ju6i3kvu1083s41iu2gcst1/zamagunuwoxisimugokizum.pdfIn PDF document text
    • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/815976ac03f6588cce69782d141c7b46/31642847832.pdfIn PDF document text
    • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/a3de0c0964728f35e5b25a0fd8f098ff/12594215317.pdfIn PDF document text
    • http://rainbowcaterers.in/userfiles/file/90505951380.pdfIn PDF document text
    • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094686843f82---bojuxovakadurununenum.pdfIn PDF document text
    • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ecd079e9b---19828657766.pdfIn PDF document text
    • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/eac52401da2673353a3fa6db0fb221d1/raruwebiruwukilebozuzivu.pdfIn PDF document text
    • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607071a032c91---61547673681.pdfIn PDF document text
    • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/ae8e04b5b488027e9d14ea42c7a64104/33650907859.pdfIn PDF document text
    • https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078dd6a3a1c0---14070069579.pdfIn PDF document text
    • https://dcoderesearch.com/uploads/ruxuvatidozapuxotipevuk.pdfIn PDF document text
    • http://dunajecbiala.pl/upload/File/11669173692.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010845.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10845 5132 bytes
SHA-256: 992275dfcf0df9d2315f8aee23394569f802508c170a461c97d0f8267f97d739

Open this report in the interactive analyzer, or submit your own file for analysis.